| 摘要 |
PURPOSE: A repair work for a superannuated concrete structure of a covered river is provided to repair the corroded part of a superannuated concrete structure rapidly and simply with low expenses. CONSTITUTION: The repair work for a superannuated concrete structure of a covered river comprises the steps of: removing the corroded part of a concrete structure; driving many steel fixing members on the removed part, then installing a wire net(2) to the fixing member; installing a form(3) to the outside of the wire net(2) and sealing up both side sections of the form(3); forming a hole on the concrete structure to inject cement mortar into the concrete structure; after injecting cement mortar to the inner space of the form(3) through the hole, then curing the surface of the cement mortar and removing the form(3).
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